1: Help -> About.
2: Then press T, uTetris appears.
3: Press S - show/hide mosaic.
4: Enjoy the old Tetris game!
how do u toggle the pices? nou - Mar 20 2008 8:47PM
if u press all the letter on the keyboard except "t" and then press t at the end a colored box appears lol - Dec 28 2007 1:24PM